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Z-scores
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Questions (190)
Can someone explain how I missed this question.
Sample has a mean of 47 and a standard deviation of 9. Find the z-score for each
1 answer
asked by
Sue
472 views
the average patient lasts 45 minutes on the tilt table. the current patient only lasted 15 minutes. if the standard deviation is
1 answer
asked by
wanda
451 views
Given that the population mean is 4.85, calculate the z-scores of 3.3,3.84.4 and 6.2.
1 answer
asked by
Celle
421 views
Kofi and Ama both receive 50,000 dollars annually in the companies they work for. In Kofi's company, the mean annual salary of
1 answer
asked by
Kofi1
462 views
what z score forms the boundary between the highest 35% and the rest of the scored?
1 answer
asked anonymously
12 views
A normal distribution has a mean of 120 and a standard deviation of 10. Find the z-score for a data value of 87.
1 answer
asked anonymously
36 views
The heights of adult men in America are normally distributed, with a mean of 69.7 inches and a standard deviation of 2.68
1 answer
asked anonymously
43 views
Distribution of exam 2 scores is unimodal and symmetric with a mean of 78 and a standard deviation of 4.6 points. What exam
1 answer
asked by
Julie
446 views
a distribution has a mean of 5 and a standard deviation of 2, what is the z score of 8 ?
3 answers
asked by
Ruben
438 views
The following is a portion of a
-table that displays the areas cumulative from the mean. Which z-score is associated with an area
1 answer
asked by
Help pls
18 views
The following is a portion of a
-table that displays the areas cumulative from the mean. Which z-score is associated with an area
1 answer
asked by
Help pls
15 views
Which area is associated with a z-score of 2.08 on a cumulative z-table?
1 answer
asked by
Help pls
10 views
If the mean score on the final exam is 70 with a standard deviation of 10 then the test score of a student that had a z-score of
1 answer
asked anonymously
22 views
Suppose X~N(11,4)
What is the z score of x=23
1 answer
asked anonymously
10 views
Suppose X ~ (9,3) what is the z score of x=0
1 answer
asked anonymously
10 views
Given the mean of a data set is 254 and has a standard deviation of 12, which of the following data points would result in a
3 answers
asked by
m
51 views
On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 50. Find the z-score
1 answer
asked anonymously
17 views
On a standardized exam, the scores are normally distributed with a mean of 125 and a standard deviation of 40. Find the z-score
1 answer
asked anonymously
23 views
On a standardized exam, the scores are normally distributed with a mean of 80 and a standard deviation of 25. Find the z-score
1 answer
asked anonymously
27 views
On a standardized exam, the scores are normally distributed with a mean of 105 and a standard deviation of 20. Find the z-score
1 answer
asked anonymously
19 views
The temperature is recorded at 60 random airports in the United States. The average temperature is 76 degrees Fahrenheit, with a
1 answer
asked anonymously
24 views
Given a population mean of 135 and a standard deviation of 5, what data point, x, would result in a z-score of 1.6?
3 answers
asked anonymously
20 views
On a standardized exam, the scores are normally distributed with a mean of 80 and a standard deviation of 20. Find the z-score
1 answer
asked anonymously
10 views
On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 20. Find the z-score
1 answer
asked anonymously
11 views
On a standardized exam, the scores are normally distributed with a mean of 40 and a standard deviation of 5. Find the z-score of
1 answer
asked anonymously
17 views
On a standardized exam, the scores are normally distributed with a mean of 40 and a standard deviation of 10. Find the z-score
1 answer
asked anonymously
11 views
Julia earned a score of 520 on Exam A that had a mean of 450 and a standard deviation of 50. She is about to take Exam B that
1 answer
asked anonymously
14 views
On a standardized exam, the scores are normally distributed with a mean of 250 and a standard deviation of 20. Find the z-score
1 answer
asked anonymously
9 views
On a standardized exam, the scores are normally distributed with a mean of 650 and a standard deviation of 20. Find the -score
1 answer
asked anonymously
3 views
On a standardized exam, the scores are normally distributed with a mean of 75 and a standard deviation of 10. Find the z-score
1 answer
asked anonymously
16 views
In a certain neighborhood, the average number of candies received while trick-or-treating is 50, with a standard deviation of
1 answer
asked anonymously
11 views
Given a population mean of 135 and a standard deviation of 5, what data point, x, would result in a z-score 1.6 (1 point )
1 answer
asked anonymously
8 views
Given the mean of a data set is 254 and has a standard deviation of 12, which of the following data points would result in a
1 answer
asked anonymously
9 views
In 2022, the mean SAT score was 1050, and the standard deviation was 216. Calculate the z-score for Mateo’s SAT score of 1200.
1 answer
asked anonymously
7 views
Given the mean of a data set is 225 and has a standard deviation of 13, what is the value of the data point that would result in
1 answer
asked anonymously
8 views
The mean Intelligence Quotient (IQ) score is 100, and the standard deviation is 15. Calculate the z-score for Bill Gates' IQ
1 answer
asked anonymously
6 views
On a standardized exam, the scores are normally distributed with a mean of 195 and a standard deviation of 20. Find the z-score
1 answer
asked anonymously
8 views
On a standardized exam, the scores are normally distributed with a mean of 700 and a standard deviation of 100. Find the z-score
1 answer
asked anonymously
8 views
Consider a set of data in which the sample mean is 36.5
and the sample standard deviation is 6.6 . Calculate the z-score given
1 answer
asked anonymously
22 views
Consider a set of data in which the sample mean is 49.4
and the sample standard deviation is 5.4 . Calculate the z-score given
1 answer
asked anonymously
22 views
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Parent Categories (14)
Data Analysis
Descriptive Statistics
Hypothesis Testing
Inferential Statistics
Measures of Central Tendency
Measures of Central Tendency and Dispersion
Normal Distribution
Population distribution
Probability
Probability and Statistics
Sampling
Scores and Measures
Statistical Analysis
Statistics